Parents receive 1 out of every 5 Valentines.
20
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Two in five people in the world marry their first love.
270
When dragonflies mate, their tails form a love heart.
22
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456